120001110001209 has 12 divisors (see below), whose sum is σ = 173335123504816. Its totient is φ = 80000653768632.

The previous prime is 120001110001177. The next prime is 120001110001231. The reversal of 120001110001209 is 902100011100021.

It is a happy number.

It is not a de Polignac number, because 120001110001209 - 2⁵ = 120001110001177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120001110001191 and 120001110001200.

It is not an unprimeable number, because it can be changed into a prime (120001110001009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2284374 + ... + 15659520.

Almost surely, 2^{120001110001209} is an apocalyptic number.

It is an amenable number.

120001110001209 is a deficient number, since it is larger than the sum of its proper divisors (53334013503607).

120001110001209 is a wasteful number, since it uses less digits than its factorization.

120001110001209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14372036 (or 14372033 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 120001110001209 in words is "one hundred twenty trillion, one billion, one hundred ten million, one thousand, two hundred nine".